{"id":"vidhyamitra:day:2129-04-05:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2129-04-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2129-04-05","date_display":"April 5, 2129 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2129,"month":4,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498755.770833,"kali_year":5230,"ahargana":1910290.2708,"sun":{"sidereal_longitude":349.5297,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":171.8107,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.2811,"elapsed_within_tithi_degrees":2.2811},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.8107,"elapsed_within_degrees":11.8107},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":161.3404},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2129,"month":4,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2498755.770833,"ahargana":1910290.2708,"kali_year":5230,"ayanamsa_lahiri":25.6586,"grahas":{"sun":{"sidereal_longitude":349.667012,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":172.269312,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":3.3522},"mars":{"sidereal_longitude":260.1950119999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":4.650111999999979,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":332.974512,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":305.26731199999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":171.62661200000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":123.6285,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":303.6285,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2129,"month":4,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498755.770833,"kali_year":5230,"ahargana":1910290.2708,"sun":{"sidereal_longitude":349.5297,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":171.8107,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.2811,"elapsed_within_tithi_degrees":2.2811},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.8107,"elapsed_within_degrees":11.8107},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":161.3404},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.352,"elongation":177.719},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.352,"opposition_distance":2.281}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2186,"vikram_samvatsara":"Śubhakṛt","saka_samvat":2051,"saka_samvatsara":"Virodhi","bengali_samvat":1536,"malayalam_era":1305,"nanakshahi_year":660,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Pratipada · Vikram 2186 Śubhakṛt · Śaka 2051 Virodhi"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"2129-04-05T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga April 5, 2129 CE · Vidhyamitra","description":"Vedic pañchāṅga for April 5, 2129 CE: Kṛṣṇa Pratipada · Hasta.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2129-04-05","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2129-04-05","sa":"https://sa.vidhyamitra.com/day/2129-04-05","hi":"https://hi.vidhyamitra.com/day/2129-04-05","x-default":"https://vidhyamitra.com/day/2129-04-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T01:28:11.515Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-17T01:28:11.515Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}